Since 100 years now, one of the most important books on sociology was published. This article is a well informed analysis on the centenary of one of the most influential sociological studies in the history of Sociology -the book The Suicide by Émile Durkheim, first published in 1897. This article is divided into three parts. It begins with the importance of studying Durkheim. The second part, deals with a selection of key fragments of The Suicide in relation to the social situation 100 years later. Finally, there is a commented bibliography about Durkheim's boooks in Spain.